Here's what rhymes with faeetiousness.
speciousness facetiousness Words that almost rhyme with faeetiousness
grievousness feebleness sleeplessness deaconess heedlessness speechlessness needlessness ceaselessness steaminess covetousness dreaminess creaminess ingeniousness egregiousness vehemence edematous unevenness peacefulness treasonous cenotaphs recentness gleefulness pediments deceitfulness